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wdenkfe8c2802002-11-03 00:38:21 +00001# Porting U-Boot onto RPXlite board
2# Written by Yoo. Jonghoon
3# E-Mail : yooth@ipone.co.kr
4# IP ONE Inc.
5
6# Since 2001. 1. 29
7
8# Shell : bash
9# Cross-compile tools : Montavista Hardhat
10# Debugging tools : Windriver VisionProbe (PowerPC BDM)
11# ppcboot ver. : ppcboot-0.8.1
12
13###############################################################
14# 1. Hardware setting
15###############################################################
16
171.1. Board, BDM settings
18 Install board, BDM, connect each other
19
201.2. Save Register value
21 Boot with board-on monitor program and save the
22 register values with BDM.
23
241.3. Configure flash programmer
25 Check flash memory area in the memory map.
26 0xFFC00000 - 0xFFFFFFFF
27
28 Boot monitor program is at
29 0xFFF00000
30
31 You can program on-board flash memory with VisionClick
32 flash programmer. Set the target flash device as:
33
34 29DL800B
35
36 (?) The flash memory device in the board *is* 29LV800B,
37 but I cannot program it with '29LV800B' option.
38 (in VisionClick flash programming tools)
39 I don't know why...
40
411.4. Save boot monitor program *IMPORTANT*
42 Upload boot monitor program from board to file.
43 boot monitor program starts at 0xFFF00000
44
451.5. Test flash memory programming
46 Try to erase boot program in the flash memory,
47 and re-write them.
48 *WARNING* YOU MUST SAVE BOOT PROGRAM TO FILE
49 BEFORE ERASING FLASH
50
51###############################################################
52# 2. U-Boot setting
53###############################################################
54
552.1. Download U-Boot tarball at
56 ftp://ftp.denx.de
57 (The latest version is ppcboot-0.8.1.tar.bz2)
58
59 To extract the archive use the following syntax :
60 > bzip2 -cd ppcboot-0.8.1.tar.bz2 | tar xf -
61
622.2. Add the following lines in '.profile'
63 export PATH=$PATH:/opt/hardhat/devkit/ppc/8xx/bin
64
652.3. Make board specific config, for example:
66 > cd ppcboot-0.8.1
67 > make TQM860L_config
68
69 Now we can build ppcboot bin files.
70 After make all, you must see these files in your
71 ppcboot root directory.
72
73 ppcboot
74 ppcboot.bin
75 ppcboot.srec
76 ppcboot.map
77
782.4. Make your own board directory into the
79 ppcboot-0.8.1/board
80 and make your board-specific files here.
81
82 For exmanple, tqm8xx files are composed of
83 .depend : Nothing
84 Makefile : To make config file
85 config.mk : Sets base address
86 flash.c : Flash memory control files
87 ppcboot.lds : linker(ld) script? (I don't know this yet)
88 tqm8xx.c : DRAM control and board check routines
89
90 And, add your board config lines in the
91 ppcboot-0.8.1/Makefile
92
93 Finally, add config_(your board).h file in the
94 ppcboot-0.8.1/include/
95
96 I've made board/rpxlite directory, and just copied
97 tqm8xx settings for now.
98
99 Rebuild ppcboot for rpxlite board:
100 > make rpxlite_config
101 > make
102
103###############################################################
104# 3. U-Boot porting
105###############################################################
106
1073.1. My RPXlite files are based on tqm8xx board files.
108 > cd board
109 > cp -r tqm8xx RPXLITE
110 > cd RPXLITE
111 > mv tqm8xx.c RPXLITE.c
112 > cd ../../include
113 > cp config_tqm8xx.h config_RPXLITE.h
114
1153.2. Modified files are:
116 board/RPXLITE/RPXLITE.c /* DRAM-related routines */
117 board/RPXLITE/flash.c /* flash-related routines */
118 board/RPXLITE/config.mk /* set text base address */
119 cpu/mpc8xx/serial.c /* board specific register setting */
120 include/config_RPXLITE.h /* board specific registers */
121
122 See 'reg_config.txt' for register values in detail.
123
124###############################################################
125# 4. Running Linux
126###############################################################
127
128
129
130
131
132
133
134
135
136###############################################################
137# Misc Information
138###############################################################
139
140mem_config.txt:
141===============
142
143Flash memory device : AM29LV800BB (1Mx8Bit) x 4 device
144manufacturer id : 01 (AMD)
145device id : 5B (AM29LV800B)
146size : 4Mbyte
147sector # : 19
148
149Sector information :
150
151number start addr. size
15200 FFC0_0000 64
15301 FFC1_0000 32
15402 FFC1_8000 32
15503 FFC2_0000 128
15604 FFC4_0000 256
15705 FFC8_0000 256
15806 FFCC_0000 256
15907 FFD0_0000 256
16008 FFD4_0000 256
16109 FFD8_0000 256
16210 FFDC_0000 256
16311 FFE0_0000 256
16412 FFE4_0000 256
16513 FFE8_0000 256
16614 FFEC_0000 256
16715 FFF0_0000 256
16816 FFF4_0000 256
16917 FFF8_0000 256
17018 FFFC_0000 256
171
172
173reg_config.txt:
174===============
175
176
177/*------------------------------------------------------------------- */
178/*------------------------------------------------------------------- */
179/* SIU (System Interface Unit) */
180/* */
181/*------------------------------------------------------------------- */
182/*------------------------------------------------------------------- */
183
184
185/*### IMMR */
186/*### Internal Memory Map Register */
187/*### Chap. 11.4.1 */
188
189 ISB = 0xFA20 /* Set the Immap base = 0xFA20 0000 */
190 PARTNUM = 0x21
191 MASKNUM = 0x00
192
193 => 0xFA20 2100
194
195---------------------------------------------------------------------
196
197/*### SIUMCR */
198/*### SIU Module Configuration Register */
199/*### Chap. 11.4.2 */
200/*### Offset : 0x0000 0000 */
201
202 EARB = 0
203 EARP = 0
204 DSHW = 0
205 DBGC = 0
206 DBPC = 0
207 FRC = 0
208 DLK = 0
209 OPAR = 0
210 PNCS = 0
211 DPC = 0
212 MPRE = 0
213 MLRC = 10 /* ~KR/~RETRY/~IRQ4/SPKROUT functions as ~KR/~TRTRY */
214 AEME = 0
215 SEME = 0
216 BSC = 0
217 GB5E = 0
218 B2DD = 0
219 B3DD = 0
220
221 => 0x0000 0800
222
223---------------------------------------------------------------------
224
225/*### SYPCR */
226/*### System Protection Control Register */
227/*### Chap. 11.4.3 */
228/*### Offset : 0x0000 0004 */
229
230 SWTC = 0xFFFF /* SW watchdog timer count = 0xFFFF */
231 BMT = 0x06 /* BUS monitoring timing */
232 BME = 1 /* BUS monitor enable */
233 SWF = 1
234 SWE = 0 /* SW watchdog disable */
235 SWRI = 0
236 SWP = 1
237
238 => 0xFFFF 0689
239
240---------------------------------------------------------------------
241
242/*### TESR */
243/*### Transfer Error Status Register */
244/*### Chap. 11.4.4 */
245/*### Offset : 0x0000 0020 */
246
247 IEXT = 0
248 ITMT = 0
249 IPB = 0000
250 DEXT = 0
251 DTMT = 0
252 DPB = 0000
253
254 => 0x0000 0000
255
256---------------------------------------------------------------------
257
258/*### SIPEND */
259/*### SIU Interrupt Pending Register */
260/*### Chap. 11.5.4.1 */
261/*### Offset : 0x0000 0010 */
262
263 IRQ0~IRQ7 = 0
264 LVL0~LVL7 = 0
265
266 => 0x0000 0000
267
268---------------------------------------------------------------------
269
270/*### SIMASK */
271/*### SIU Interrupt Mask Register */
272/*### Chap. 11.5.4.2 */
273/*### Offset : 0x0000 0014 */
274
275 IRM0~IRM7 = 0 /* Mask all interrupts */
276 LVL0~LVL7 = 0
277
278 => 0x0000 0000
279
280---------------------------------------------------------------------
281
282/*### SIEL */
283/*### SIU Interrupt Edge/Level Register */
284/*### Chap. 11.5.4.3 */
285/*### Offset : 0x0000 0018 */
286
287 ED0~ED7 = 0 /* Low level triggered */
288 WMn0~WMn7 = 0 /* Not allowed to exit from low-power mode */
289
290 => 0x0000 0000
291
292---------------------------------------------------------------------
293
294/*### SIVEC */
295/*### SIU Interrupt Vector Register */
296/*### Chap. 11.5.4.4 */
297/*### Offset : 0x0000 001C */
298
299 INTC = 3C /* The lowest interrupt is pending..(?) */
300
301 => 0x3C00 0000
302
303---------------------------------------------------------------------
304
305/*### SWSR */
306/*### Software Service Register */
307/*### Chap. 11.7.1 */
308/*### Offset : 0x0000 001E */
309
310 SEQ = 0
311
312 => 0x0000
313
314---------------------------------------------------------------------
315
316/*### SDCR */
317/*### SDMA Configuration Register */
318/*### Chap. 20.2.1 */
319/*### Offset : 0x0000 0032 */
320
321 FRZ = 0
322 RAID = 01 /* Priority level 5 (BR5) (normal operation) */
323
324 => 0x0000 0001
325
326
327/*------------------------------------------------------------------- */
328/*------------------------------------------------------------------- */
329/* UPMA (User Programmable Machine A) */
330/* */
331/*------------------------------------------------------------------- */
332/*------------------------------------------------------------------- */
333
334/*### Chap. 16.6.4.1 */
335/*### Offset = 0x0000 017c */
336
337 T0 = CFFF CC24 /* Single Read */
338 T1 = 0FFF CC04
339 T2 = 0CAF CC04
340 T3 = 03AF CC08
341 T4 = 3FBF CC27 /* last */
342 T5 = FFFF CC25
343 T6 = FFFF CC25
344 T7 = FFFF CC25
345 T8 = CFFF CC24 /* Burst Read */
346 T9 = 0FFF CC04
347 T10 = 0CAF CC84
348 T11 = 03AF CC88
349 T12 = 3FBF CC27 /* last */
350 T13 = FFFF CC25
351 T14 = FFFF CC25
352 T15 = FFFF CC25
353 T16 = FFFF CC25
354 T17 = FFFF CC25
355 T18 = FFFF CC25
356 T19 = FFFF CC25
357 T20 = FFFF CC25
358 T21 = FFFF CC25
359 T22 = FFFF CC25
360 T23 = FFFF CC25
361 T24 = CFFF CC24 /* Single Write */
362 T25 = 0FFF CC04
363 T26 = 0CFF CC04
364 T27 = 03FF CC00
365 T28 = 3FFF CC27 /* last */
366 T29 = FFFF CC25
367 T30 = FFFF CC25
368 T31 = FFFF CC25
369 T32 = CFFF CC24 /* Burst Write */
370 T33 = 0FFF CC04
371 T34 = 0CFF CC80
372 T35 = 03FF CC8C
373 T36 = 0CFF CC00
374 T37 = 33FF CC27 /* last */
375 T38 = FFFF CC25
376 T39 = FFFF CC25
377 T40 = FFFF CC25
378 T41 = FFFF CC25
379 T42 = FFFF CC25
380 T43 = FFFF CC25
381 T44 = FFFF CC25
382 T45 = FFFF CC25
383 T46 = FFFF CC25
384 T47 = FFFF CC25
385 T48 = C0FF CC24 /* Refresh */
386 T49 = 03FF CC24
387 T50 = 0FFF CC24
388 T51 = 0FFF CC24
389 T52 = 3FFF CC27 /* last */
390 T53 = FFFF CC25
391 T54 = FFFF CC25
392 T55 = FFFF CC25
393 T56 = FFFF CC25
394 T57 = FFFF CC25
395 T58 = FFFF CC25
396 T59 = FFFF CC25
397 T60 = FFFF CC25 /* Exception */
398 T61 = FFFF CC25
399 T62 = FFFF CC25
400 T63 = FFFF CC25
401
402
403/*------------------------------------------------------------------- */
404/*------------------------------------------------------------------- */
405/* UPMB */
406/* */
407/*------------------------------------------------------------------- */
408/*------------------------------------------------------------------- */
409---------------------------------------------------------------------
410
411/*### Chap. 16.6.4.1 */
412
413
414/*------------------------------------------------------------------- */
415/*------------------------------------------------------------------- */
416/* MEMC */
417/* */
418/*------------------------------------------------------------------- */
419/*------------------------------------------------------------------- */
420---------------------------------------------------------------------
421
422/*### BR0 & OR0 */
423/*### Base Registers & Option Registers */
424/*### Chap. 16.4.1 & 16.4.2 */
425/*### Offset : BR0(0x0000 0100) & OR0(0x0000 0104) */
426/*### Flash memory */
427
428 BA = 1111 1110 0000 0000 0 /* Base addr = 0xFE00 0000 */
429 AT = 000
430 PS = 00
431 PARE = 0
432 WP = 0
433 MS = 0 /* GPCM */
434 V = 1 /* Valid */
435
436 => 0xFE00 0001
437
438 AM = 1111 1110 0000 0000 0 /* 32MBytes */
439 ATM = 000
440 CSNT/SAM = 0
441 ACS/G5LA,G5LS = 00
442 BIH = 1 /* Burst inhibited */
443 SCY = 0100 /* cycle length = 4 */
444 SETA = 0
445 TRLX = 0
446 EHTR = 0
447
448 => 0xFE00 0140
449
450/*### BR1 & OR1 */
451/*### Base Registers & Option Registers */
452/*### Chap. 16.4.1 & 16.4.2 */
453/*### Offset : BR1(0x0000 0108) & OR1(0x0000 010C) */
454/*### SDRAM */
455
456 BA = 0000 0000 0000 0000 0 /* Base addr = 0x0000 0000 */
457 AT = 000
458 PS = 00
459 PARE = 0
460 WP = 0
461 MS = 1 /* UPMA */
462 V = 1 /* Valid */
463
464 => 0x0000 0081
465
466 AM = 1111 1110 0000 0000 /* 32MBytes */
467 ATM = 000
468 CSNT/SAM = 1
469 ACS/G5LA,G5LS = 11
470 BIH = 0
471 SCY = 0000 /* cycle length = 0 */
472 SETA = 0
473 TRLX = 0
474 EHTR = 0
475
476 => 0xFE00 0E00
477
478/*### BR2 & OR2 */
479/*### Base Registers & Option Registers */
480/*### Chap. 16.4.1 & 16.4.2 */
481/*### Offset : BR2(0x0000 0110) & OR2(0x0000 0114) */
482
483 BR2 & OR2 = 0x0000 0000 /* Not used */
484
485/*### BR3 & OR3 */
486/*### Base Registers & Option Registers */
487/*### Chap. 16.4.1 & 16.4.2 */
488/*### Offset : BR3(0x0000 0118) & OR3(0x0000 011C) */
489/*### BCSR */
490
491 BA = 1111 1010 0100 0000 0 /* Base addr = 0xFA40 0000 */
492 AT = 000
493 PS = 00
494 PARE = 0
495 WP = 0
496 MS = 0 /* GPCM */
497 V = 1 /* Valid */
498
499 => 0xFA40 0001
500
501 AM = 1111 1111 0111 1111 1 /* (?) */
502 ATM = 000
503 CSNT/SAM = 1
504 ACS/G5LA,G5LS = 00
505 BIH = 1 /* Burst inhibited */
506 SCY = 0001 /* cycle length = 1 */
507 SETA = 0
508 TRLX = 0
509
510 => 0xFF7F 8910
511
512/*### BR4 & OR4 */
513/*### Base Registers & Option Registers */
514/*### Chap. 16.4.1 & 16.4.2 */
515/*### Offset : BR4(0x0000 0120) & OR4(0x0000 0124) */
516/*### NVRAM & SRAM */
517
518 BA = 1111 1010 0000 0000 0 /* Base addr = 0xFA00 0000 */
519 AT = 000
520 PS = 01
521 PARE = 0
522 WP = 0
523 MS = 0 /* GPCM */
524 V = 1 /* Valid */
525
526 => 0xFA00 0401
527
528 AM = 1111 1111 1111 1000 0 /* 8MByte */
529 ATM = 000
530 CSNT/SAM = 1
531 ACS/G5LA,G5LS = 00
532 BIH = 1 /* Burst inhibited */
533 SCY = 0111 /* cycle length = 7 */
534 SETA = 0
535 TRLX = 0
536
537 => 0xFFF8 0970
538
539/*### BR5 & OR5 */
540/*### Base Registers & Option Registers */
541/*### Chap. 16.4.1 & 16.4.2 */
542/*### Offset : BR2(0x0000 0128) & OR2(0x0000 012C) */
543
544 BR5 & OR5 = 0x0000 0000 /* Not used */
545
546/*### BR6 & OR6 */
547/*### Base Registers & Option Registers */
548/*### Chap. 16.4.1 & 16.4.2 */
549/*### Offset : BR2(0x0000 0130) & OR2(0x0000 0134) */
550
551 BR6 & OR6 = 0x0000 0000 /* Not used */
552
553/*### BR7 & OR7 */
554/*### Base Registers & Option Registers */
555/*### Chap. 16.4.1 & 16.4.2 */
556/*### Offset : BR7(0x0000 0138) & OR7(0x0000 013C) */
557
558 BR7 & OR7 = 0x0000 0000 /* Not used */
559
560/*### MAR */
561/*### Memory Address Register */
562/*### Chap. 16.4.7 */
563/*### Offset : 0x0000 0164 */
564
565 MA = External memory address
566
567/*### MCR */
568/*### Memory Command Register */
569/*### Chap. 16.4.5 */
570/*### Offset : 0x0000 0168 */
571
572 OP = xx /* Command op code */
573 UM = 1 /* Select UPMA */
574 MB = 001 /* Select CS1 */
575 MCLF = xxxx /* Loop times */
576 MAD = xx xxxx /* Memory array index */
577
578/*### MAMR */
579/*### Machine A Mode Register */
580/*### Chap. 16.4.4 */
581/*### Offset : 0x0000 0170 */
582
583 PTA = 0101 1000
584 PTAE = 1 /* Periodic timer A enabled */
585 AMA = 010
586 DSA = 00
587 G0CLA = 000
588 GPLA4DIS = 1
589 RLFA = 0100
590 WLFA = 0011
591 TLFA = 0000
592
593 => 0x58A0 1430
594
595/*### MBMR */
596/*### Machine B Mode Register */
597/*### Chap. 16.4.4 */
598/*### Offset : 0x0000 0174 */
599
600 PTA = 0100 1110
601 PTAE = 0 /* Periodic timer B disabled */
602 AMA = 000
603 DSA = 00
604 G0CLA = 000
605 GPLA4DIS = 1
606 RLFA = 0000
607 WLFA = 0000
608 TLFA = 0000
609
610 => 0x4E00 1000
611
612/*### MSTAT */
613/*### Memory Status Register */
614/*### Chap. 16.4.3 */
615/*### Offset : 0x0000 0178 */
616
617 PER0~PER7 = Parity error
618 WPER = Write protection error
619
620 => 0x0000
621
622/*### MPTPR */
623/*### Memory Periodic Timer Prescaler Register */
624/*### Chap. 16.4.8 */
625/*### Offset : 0x0000 017A */
626
627 PTP = 0000 1000 /* Divide by 8 */
628
629 => 0x0800
630
631/*### MDR */
632/*### Memory Data Register */
633/*### Chap. 16.4.6 */
634/*### Offset : 0x0000 017C */
635
636 MD = Memory data contains the RAM array word
637
638
639/*------------------------------------------------------------------- */
640/*------------------------------------------------------------------- */
641/* TIMERS */
642/* */
643/*------------------------------------------------------------------- */
644/*------------------------------------------------------------------- */
645---------------------------------------------------------------------
646
647/*### TBREFx */
648/*### Timebase Reference Registers */
649/*### Chap. 11.9.2 */
650/*### Offset : TBREFF0(0x0000 0204)/TBREFF1(0x0000 0208) */
651/*### (Locked) */
652
653 TBREFF0 = 0xFFFF FFFF
654 TBREFF1 = 0xFFFF FFFF
655
656---------------------------------------------------------------------
657
658/*### TBSCR */
659/*### Timebase Status and Control Registers */
660/*### Chap. 11.9.3 */
661/*### Offset : 0x0000 0200 */
662/*### (Locked) */
663
664 TBIRQ = 00000000
665 REF0 = 0
666 REF1 = 0
667 REFE0 = 0 /* Reference interrupt disable */
668 REFE1 = 0
669 TBF = 1
670 TBE = 1 /* Timebase enable */
671
672 => 0x0003
673
674---------------------------------------------------------------------
675
676/*### RTCSC */
677/*### Real-Time Clock Status and Control Registers */
678/*### Chap. 11.10.1 */
679/*### Offset : 0x0000 0220 */
680/*### (Locked) */
681
682 RTCIRQ = 00000000
683 SEC = 1
684 ALR = 0
685 38K = 0 /* PITRTCLK is driven by 32.768KHz */
686 SIE = 0
687 ALE = 0
688 RTF = 0
689 RTE = 1 /* Real-Time clock enabled */
690
691 => 0x0081
692
693---------------------------------------------------------------------
694
695/*### RTC */
696/*### Real-Time Clock Registers */
697/*### Chap. 11.10.2 */
698/*### Offset : 0x0000 0224 */
699/*### (Locked) */
700
701 RTC = Real time clock measured in second
702
703---------------------------------------------------------------------
704
705/*### RTCAL */
706/*### Real-Time Clock Alarm Registers */
707/*### Chap. 11.10.3 */
708/*### Offset : 0x0000 022C */
709/*### (Locked) */
710
711 ALARM = 0xFFFF FFFF
712
713---------------------------------------------------------------------
714
715/*### RTSEC */
716/*### Real-Time Clock Alarm Second Registers */
717/*### Chap. 11.10.4 */
718/*### Offset : 0x0000 0228 */
719/*### (Locked) */
720
721 COUNTER = Counter bits(fraction of a second)
722
723---------------------------------------------------------------------
724
725/*### PISCR */
726/*### Periodic Interrupt Status and Control Register */
727/*### Chap. 11.11.1 */
728/*### Offset : 0x0000 0240 */
729/*### (Locked) */
730
731 PIRQ = 0
732 PS = 0 /* Write 1 to clear */
733 PIE = 0
734 PITF = 1
735 PTE = 0 /* PIT disabled */
736
737---------------------------------------------------------------------
738
739/*### PITC */
740/*### PIT Count Register */
741/*### Chap. 11.11.2 */
742/*### Offset : 0x0000 0244 */
743/*### (Locked) */
744
745 PITC = PIT count
746
747---------------------------------------------------------------------
748
749/*### PITR */
750/*### PIT Register */
751/*### Chap. 11.11.3 */
752/*### Offset : 0x0000 0248 */
753/*### (Locked) */
754
755 PIT = PIT count /* Read only */
756
757
758
759/*------------------------------------------------------------------- */
760/*------------------------------------------------------------------- */
761/* CLOCKS */
762/* */
763/*------------------------------------------------------------------- */
764/*------------------------------------------------------------------- */
765---------------------------------------------------------------------
766
767
768---------------------------------------------------------------------
769
770/*### SCCR */
771/*### System Clock and Reset Control Register */
772/*### Chap. 15.6.1 */
773/*### Offset : 0x0000 0280 */
774/*### (Locked) */
775
776 COM = 11 /* Clock output disabled */
777 TBS = 1 /* Timebase frequency source is GCLK2 divided by 16 */
778 RTDIV = 0 /* The clock is divided by 4 */
779 RTSEL = 0 /* OSCM(Crystal oscillator) is selected */
780 CRQEN = 0
781 PRQEN = 0
782 EBDF = 00 /* CLKOUT is GCLK2 divided by 1 */
783 DFSYNC = 00 /* Divided by 1 (normal operation) */
784 DFBRG = 00 /* Divided by 1 (normal operation) */
785 DFNL = 000
786 DFNH = 000
787
788 => 0x6200 0000
789
790---------------------------------------------------------------------
791
792/*### PLPRCR */
793/*### PLL, Low-Power, and Reset Control Register */
794/*### Chap. 15.6.2 */
795/*### Offset : 0x0000 0284 */
796/*### (Locked) */
797
798 MF = 0x005 /* 48MHz (?) ( = 8MHz * (MF+1) ) */
799 SPLSS = 0
800 TEXPS = 0
801 TMIST = 0
802 CSRC = 0 /* The general system clock is generated by the DFNH field */
803 LPM = 00 /* Normal high/normal low mode */
804 CSR = 0
805 LOLRE = 0
806 FIOPD = 0
807
808 => 0x0050 0000
809
810---------------------------------------------------------------------
811
812/*### RSR */
813/*### Reset Status Register */
814/*### Chap. 12.2 */
815/*### Offset : 0x0000 0288 */
816/*### (Locked) */
817
818 EHRS = External hard reset
819 ESRS = External soft reset
820 LLRS = Loss-of-lock reset
821 SWRS = Software watchdog reset
822 CSRS = Check stop reset
823 DBHRS = Debug port hard reset
824 DBSRS = Debug port soft reset
825 JTRS = JTAG reset
826
827
828
829/*------------------------------------------------------------------- */
830/*------------------------------------------------------------------- */
831/* DMA */
832/* */
833/*------------------------------------------------------------------- */
834/*------------------------------------------------------------------- */
835---------------------------------------------------------------------
836
837/*### SDSR */
838/*### SDMA Status Register */
839/*### Chap. 20.2.2 */
840/*### Offset : 0x0000 0908 */
841
842 SBER = 0 /* SDMA channel bus error */
843 DSP2 = 0 /* DSP chain2 (Tx) interrupt */
844 DSP1 = 0 /* DSP chain1 (Rx) interrupt */
845
846 => 0x00
847
848/*### SDMR */
849/*### SDMA Mask Register */
850/*### Chap. 20.2.3 */
851/*### Offset : 0x0000 090C */
852
853 SBER = 0
854 DSP2 = 0
855 DSP1 = 0 /* All interrupts are masked */
856
857 => 0x00
858
859/*### SDAR */
860/*### SDMA Address Register */
861/*### Chap. 20.2.4 */
862/*### Offset : 0x0000 0904 */
863
864 AR = 0xxxxx xxxx /* current system address */
865
866 => 0xFA20 23AC
867
868/*### IDSRx */
869/*### IDMA Status Register */
870/*### Chap. 20.3.3.2 */
871/*### Offset : IDSR1(0x0000 0910) & IDSR2(0x0000 0918) */
872
873 AD = 0
874 DONE = 0
875 OB = 0
876
877 => 0x00
878
879/*### IDMRx */
880/*### IDMA Mask Register */
881/*### Chap. 20.3.3.3 */
882/*### Offset : IDMR1(0x0000 0914) & IDMR2(0x0000 091C) */
883
884 AD = 0
885 DONE = 0
886 OB = 0
887